Supplementary Conditions; Axis Monitoring Functions; Examples; Working Area Limitation In Wcs/Szs - Siemens SINUMERIK 840D sl Function Manual

3.4

Supplementary conditions

3.4.1

Axis monitoring functions

Settings
For correct operation of the monitoring, the following settings must be made or checked, in
addition to the machine data mentioned:
General
● MD31030 $MA_LEADSCREW_PITCH (leadscrew pitch)
● MD31050 $MA_DRIVE_AX_RATIO_DENOM (denominator load gearbox)
● MD31060 $MA_DRIVE_AX_RATIO_NUMERA (numerator load gearbox)
● MD31070 $MA_DRIVE_ENC_RATIO_DENOM (denominator measuring gearbox)
● MD31080 $MA_DRIVE_ENC_RATIO_NUMERA (numerator measuring gearbox)
● MD32810 $MA_EQUIV_SPEEDCTRL_TIME (equivalent time constant speed control loop
for feedforward control)
● Encoder resolution
For the appropriate machine data, see Section "G2: Velocities, setpoint / actual value
systems, closed-loop control (Page 317)".
Only drives with analog speed setpoint interface
● MD32260 $MA_RATED_VELO (rated motor speed)
● MD32250 $MA_RATED_OUTVAL (rated output voltage)
3.5

Examples

3.5.1 Axis monitoring functions
3.5.1.1

Working area limitation in WCS/SZS

Available channel axes
Four axes are defined in the channel: X, Y, Z and A
The A-axis is a rotary axis (not modulo).
Parameterize the number of working area limitation groups
Three working area limitation groups will be provided:
Basic Functions
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
A3: Axis Monitoring, Protection Zones
3.5 Examples
159